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Question
Find the surface area of a cube whose edge is 27 cm.
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Solution
\[\text { Edge of the a cube = 27 cm }\]
\[ \therefore \text { Surface area of the cube = 6 }\times \text { (side ) }^2 = 6 \times (27 )^2 = 6 \times 729 = 4374 {cm}^2 \]
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